Limited Time Offer
1 Free Camera
Plus 3 Free Months of Service
BBB A+
Rating
4.8/5 Google Rating
4.7/5 Homestar Rating
1995
Trusted for Over 25 Years
Your GTA Security Installation Starts Here
York Region
Durham Region
West GTA (Peel and Halton)
Central Toronto
Downtown T.O.
Etobicoke
Midtown Toronto
North York
Scarborough
Toronto
Simcoe County
Don't see your region?
Our team services every region daily. Get your installation scheduled fast.
Home Security
Systems
- Smart alarm panels
- Door, window, and motion detection
- 24/7 monitoring with instant alerts
Smart Home
Upgrades
- Smart locks, lights, and automation
- Smart thermostats and energy control
- Water leak and freeze detection
Smart Security Cameras
- Doorbell, indoor, and outdoor cameras
- HD video with night vision
- Real-time motion alerts and recording
Customizable Home Security Packages
Standard Security Package
- 1 Smart Hub 7" Touchscreen
- 1 Motion Sensor
- 3 Door/ Window Sensors
- 24/7 Home Monitoring
- Professional Monitoring
- Easy Mobile App Security Control
- Lawn Sign & Window Stickers
Premium Security Package
- PLUS 1 Video Doorbell
- PLUS 1 Outdoor Camera
- 1 Smart Hub 7" Touchscreen
- 1 Motion Sensor
- 3 Door/ Window Sensors
- 24/7 Home Monitoring
- Professional Monitoring
- Easy Mobile App Security Control
- Lawn Sign & Window Stickers
Custom Security Package
- Smart Keyless Door Lock
- Smart Thermostat
- Smart Garage Door Controller
- Video Doorbell Pro
- Glass Break Sensors
- Home automation options and more!
Security Solutions for Homes and Businesses
GTA Homeowners and Businesses Review Grand Alarms
“Our installation in Mississauga was quick and very professional. The technician set up the cameras, the alarm panel, and made sure everything worked perfectly before leaving. We feel safer already.”
— Ayesha Khan, Mississauga
“Grand Alarms upgraded our home in Markham with a smart lock and new sensors. The system is easy to use and the monitoring alerts are instant. Great service from start to finish.”
— Jason Liu, Markham
Got Questions About Security Services? We’ve Got Answers.
Q: Do you offer alarm installation in Mississauga and Brampton?
Q: Can I move my Grand Alarms system to another city?
Q: Do you install alarm systems for both homes and businesses?
Q: Can I add smart devices to my alarm system?
Absolutely. Our security systems can be integrated with smart cameras, video doorbells, thermostats, and mobile apps. This lets you manage your alarms and connected devices all in one place, giving you extra convenience and real-time control over your property’s security.
Q: Do you offer maintenance and support after installation?
Yes. Our team provides full maintenance, testing, and support for your security system after installation. From replacing batteries and sensors to troubleshooting issues, we ensure your system always runs at peak performance.
Protect Your Home or Business Anywhere in the GTA.
Limited Time Offer
1 Free Camera
Plus 3 Free Months of Services
Limited-time offer with restricted availability.
BBB A+
Rating
4.8/5 Google Rating
4.7/5 Homestar Rating
1995
Trusted for Over 25 Years
10,000+
Professional Installations
Your GTA Security Installation Starts Here
York Region
Certified technicians delivering consistent coverage across every community.
Durham Region
Trusted provider with a proven record of professional security installations.
West GTA (Peel and Halton)
Leading specialists supporting high-demand residential and commercial sites.
Central Toronto
Advanced security solutions built for dense and complex urban environments.
Downtown Toronto
Etobicoke
Midtown Toronto
North York
Scarborough
Toronto
Don't see your region?
Our team services every region daily. Get your installation scheduled fast.
Home Security Systems
- Smart alarm panels
- Door, window, and motion detection
- 24/7 monitoring with instant alerts
Smart Home Upgrades
- Smart locks, lights, and automation
- Smart thermostats and energy control
- Water leak and freeze detection
Smart Security Cameras
- Doorbell, indoor, and outdoor cameras
- HD video with night vision
- Real-time motion alerts and recording
Customizable Home Security Packages
Every family has unique security needs, which is why we offer customizable home security packages. Choose from essential protection with 24/7 monitoring, smart home integration with locks and cameras, or premium packages with advanced video surveillance. Our packages start at affordable monthly rates and always include professional installation. Get the right level of protection today and explore flexible options designed to fit your budget and lifestyle.
Standard Security Package
- 1 Smart Hub
- 1 Motion Sensor
- 3 Door/ Window Sensors
- 24/7 Home Protection
- Professional Monitoring
- Easy Mobile App Security Control
Premium Security Package
- PLUS 1 Video Doorbell
- PLUS 1 Outdoor Camera
- 1 Smart Hub
- 1 Motion Sensor
- 3 Door/ Window Sensors
- 24/7 Home Protection
- Professional Monitoring
- Easy Mobile App Security Control
Custom Security Package
- Smart Keyless Door Lock
- Smart Thermostat
- Smart Garage Door Controller
- Video Doorbell Pro
- Glass Break Sensors
- Home automation options and more!
Security Solutions for Homes
and Businesses
GTA Homeowners and
Businesses Review Grand Alarms
We install and service thousands of security systems across the GTA every year. Here’s what local homeowners and business owners are saying about their experience with Grand Alarms in cities just like yours.
“Our installation in Mississauga was quick and very professional. The technician set up the cameras, the alarm panel, and made sure everything worked perfectly before leaving. We feel safer already.”
— Ayesha Khan, Mississauga
“Grand Alarms upgraded our home in Markham with a smart lock and new sensors. The system is easy to use and the monitoring alerts are instant. Great service from start to finish.”
— Jason Liu, Markham
“Grand Alarms upgraded our home in Markham with a smart lock and new sensors. The system is easy to use, and the monitoring alerts are instant. Great service from start to finish.”
— Jason Liu, Markham
Got Questions About Security Services?
We’ve Got Answers.
Q: Do you offer alarm installation in Mississauga and Brampton?
Yes. Our technicians install and maintain security systems across Mississauga, Brampton, and all GTA cities.
Q: Can I move my Grand Alarms system to another city?
Yes. If you move within the GTA, we can reinstall and reconnect your system.
Q: Do you install alarm systems for both homes and businesses?
Yes. We provide security system installation for houses, condos, retail stores, offices, and commercial properties. Whether you need a monitored alarm for your home or a full access control solution for your business, our installers can customize a package that fits your needs.
Q: Can I add smart devices to my alarm system?
Absolutely. Our security systems can be integrated with smart cameras, video doorbells, thermostats, and mobile apps. This lets you manage your alarms and connected devices all in one place, giving you extra convenience and real-time control over your property’s security.
Q: Do you offer maintenance and support after installation?
Yes. Our team provides full maintenance, testing, and support for your security system after installation. From replacing batteries and sensors to troubleshooting issues, we ensure your system always runs at peak performance.
Protect Your Home or Business Anywhere in the GTA.
Get Started Today.